Home / 183,990.03-253,913.43-103,417.32

Finding the Fourth Proportional to 183,990.03, 253,913.43 and 103,417.32

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Solution

The fourth proportional to 183,990.03, 253,913.43 and 103,417.32 is: 142,719.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,990.03 : 253,913.43 = 103,417.32 : x
  2. Step 2: Convert to fraction form
    183,990.03/253,913.43 = 103,417.32/x
  3. Step 3: Cross multiply
    183,990.03x = 253,913.43 × 103,417.32
  4. Step 4: Simplify right side
    183,990.03x = 26,259,046,442.61
  5. Step 5: Solve for x
    x = 26,259,046,442.61/183,990.03
  6. Step 6: Final answer
    x = 142,719.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.